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What is tmbmsrv.exe?

Part of AEGIS by Trend Micro

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How does tmbmsrv.exe run?

Service - tmbmsrv.exe runs as a background Windows service called 'TMBMServer' (Trend Micro Unauthorized Change Prevention Service). This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. Trend Micro Unauthorized Change Prevention Service runs as a program that can be started by the Service Controller and that obeys the service control protocol. This type of service runs in a process by itself.


What is the community is seeing?What is the community is doing?
About 0.2% of all Boost users have the tmbmsrv.exe process running.Of the 0.2% of tmbmsrv.exe users, 25.0% have disabled it.
How resource intensive is tmbmsrv.exe?
Comparison based on the average resource utilization across all programs.
0.00107% CPU10736.0%
Average CPU utilization across all programs is 0.00001%.
10.46 MB RAM48.6%
Average private memory utilization across all programs is 21.53 MB.
 2 /min0.1%
Average I/O read and write operations for all programs is 2,253 per minute.
269 context switches/sec269.0%
Average context switches for all programs is 100 per second.
Typical file (disk image) location:
C:\Program Files\trend micro\bm\tmbmsrv.exe

What modules are loaded?

A module is a dynamic link library (DLL) or an executable file that is loaded into the process. Below is a list of non-system modules that are loaded by AEGIS.

What else is related?

What Windows OS versions does this run on?

Windows Vista (TM) Home Premium (6.0.6001.65536)

About Trend Micro Inc.

Trend Micro Inc. is a Japanese security software company. It is headquartered in Tokyo, Japan and markets Trend Micro Internet Security, Trend Micro Worry-Fre More...
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File details

File name: tmbmsrv.exe
Publisher: Trend Micro Inc. (verified)
Description: Manages the Trend Micro unauthorized change prevention feature
Product version: 2.5
Size: 329.26 KB
Original file name: TMBMSRV.exe

Digital certificate

Issued to: Trend Micro
Certificate authority: VeriSign

Resource utilization

CPU utilization averages
Total CPU: 0.0019863395%
Privileged CPU: 0.0009127436%
User CPU: 0.00107359590756%
Privileged CPU time: 13416.09 ms
Privileged CPU time /min: 0 ms
CPU cycle count: 1,193,153,488
CPU cycle count /min: 5,892,074
Context switches /sec: 269
Memory utilization averages
Committed memory: 111.95 MB
Peak committed memory: 128.29 MB
Paged memory: 10.46 MB
Peak paged memory: 20.7 MB
Paged system memory: 128.61 KB
Non-paged system memory: 11.77 KB
Working set memory: 14.6 MB
Peak working set memory: 28.77 MB
Min working set memory: 14.13 MB
Private memory: 10.46 MB
Page faults: 72,707
Page faults /min: 2
Process I/O averages
Total read operations: 1,898
Read operations /min: 1
Total read transfer: 199.97 MB
Read transfer /min: 4.63 KB
Total write operations: 30
Write operations /min: 1
Total write transfer: 167.58 KB
Write transfer /min: 4 Bytes
Total other operations: 51,333
Other operations /min: 1
Total other transfer: 559.77 KB
Other Transfer /min: 13 Bytes
Handle count average: 392
Thread count average: 36
Thread resource averages

Process details

Runs as (owner): System
Integrety level: System
Windows platform: 32-bit
Runs as a service: Yes
Parent Process
Process Command
"C:\Program Files\Trend Micro\BM\TMBMSRV.exe" /service

Service details

Name: Trend Micro Unauthorized Change Prevention Service
Service name: TMBMServer
Service type: Win32OwnProcess
Description: “Manages the Trend Micro unauthorized change prevention feature”

Image hashes

MD5: 1021b0d3bfe61e814e9b81559cd1b045
SHA-1: 4d84c13976ae590abd4a706efe47f44792a94d72

PE image details

Subsystem: Windows Console
File packed: No
Import Table
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